#include <iostream>
using namespace std;
class Diem{
	private:
		int x;
		int y;
	public:
		// Constructor
		Diem(int x = 0, int y = 0);
        Diem(const Diem &d);
		// Des
		~Diem();
		void hienThi();
		float khoangcach();
};
Diem::Diem(const Diem &d)
{
    this->x = d.x;
    this->y = d.y;
}
Diem::Diem(int x, int y)
{
	this->x = x;
	this->y = y;
}
Diem::~Diem(){}
void Diem::hienThi(){
	cout<<"Tao Do: "<<x<<"  "<<y;
}
int main()
{
	Diem d1(9,9);

}
